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-rw-r--r--board/nvidia/common/board.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/board/nvidia/common/board.c b/board/nvidia/common/board.c
index b82e61a..1d6b002 100644
--- a/board/nvidia/common/board.c
+++ b/board/nvidia/common/board.c
@@ -62,6 +62,21 @@ void __pin_mux_usb(void)
void pin_mux_usb(void) __attribute__((weak, alias("__pin_mux_usb")));
/*
+ * Routine: power_det_init
+ * Description: turn off power detects
+ */
+static void power_det_init(void)
+{
+#if defined(CONFIG_TEGRA2)
+ struct pmc_ctlr *const pmc = (struct pmc_ctlr *)TEGRA2_PMC_BASE;
+
+ /* turn off power detects */
+ writel(0, &pmc->pmc_pwr_det_latch);
+ writel(0, &pmc->pmc_pwr_det);
+#endif
+}
+
+/*
* Routine: board_init
* Description: Early hardware init.
*/
@@ -79,6 +94,9 @@ int board_init(void)
#endif
/* boot param addr */
gd->bd->bi_boot_params = (NV_PA_SDRAM_BASE + 0x100);
+
+ power_det_init();
+
#ifdef CONFIG_TEGRA_I2C
#ifndef CONFIG_SYS_I2C_INIT_BOARD
#error "You must define CONFIG_SYS_I2C_INIT_BOARD to use i2c on Nvidia boards"